title: Fractionation of grape anthocyanin classes using multilayer coil countercurrent chromatography with step gradient elution.
mesh_terms: D000872:Anthocyanins / Q000032:analysis / Q000302:isolation & purification*; D005591:Chemical Fractionation; D002851:Chromatography, High Pressure Liquid; D003377:Countercurrent Distribution / Q000379:methods*; D005638:Fruit / Q000737:chemistry*; D013058:Mass Spectrometry; D013056:Spectrophotometry, Ultraviolet; D027843:Vitis / Q000737:chemistry*
chemical_list: D000872:Anthocyanins